/* Brand Colors from brand_guide.md */
:root {
    --primary-blue: #1E88E5;
    --primary-blue-dark: #1976D2;
    --slate-gray: #37474F;
    --accent-cyan: #00BCD4;
    --light-bg: #F5F5F5;
    --white: #FFFFFF;
    --border-color: #E0E0E0;
    --text-dark: #37474F;
    --success-green: #4CAF50;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header/Navigation */
#header {
    background-color: var(--primary-blue);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 0.8;
}

.mobile-cta {
    display: none;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: rgba(30, 136, 229, 0.1);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
#hero {
    position: relative;
    background: linear-gradient(135deg, #1E88E5 0%, #00BCD4 100%);
    color: var(--white);
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-image:
        linear-gradient(45deg, transparent 48%, var(--white) 49%, var(--white) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, var(--white) 49%, var(--white) 51%, transparent 52%);
    background-size: 80px 80px;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    0% { background-position: 0 0; }
    100% { background-position: 80px 80px; }
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

#hero .btn-secondary {
    color: var(--white);
    border-color: var(--white);
}

#hero .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Social Proof / Metrics */
#social-proof {
    background-color: var(--light-bg);
    padding: 60px 0;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    text-align: center;
}

.metric-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1rem;
    color: var(--slate-gray);
    font-weight: 500;
}

/* Features Section */
#features {
    padding: 80px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--slate-gray);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--slate-gray);
    line-height: 1.7;
}

/* Benefits Section */
#benefits {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.benefit-check {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--accent-cyan);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.benefit-content h4 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    color: var(--slate-gray);
}

/* Demo Section */
#demo {
    padding: 80px 0;
    background-color: var(--white);
}

.demo-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.demo-info h2 {
    font-size: 2.5rem;
    color: var(--slate-gray);
    margin-bottom: 1.5rem;
}

.demo-info p {
    font-size: 1.125rem;
    color: var(--slate-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.demo-features {
    list-style: none;
}

.demo-features li {
    padding: 0.75rem 0;
    color: var(--slate-gray);
    position: relative;
    padding-left: 2rem;
}

.demo-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 1.25rem;
}

/* Form Styles */
.demo-form-container {
    background-color: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.demo-form .form-group {
    margin-bottom: 1.5rem;
}

.demo-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--slate-gray);
}

.demo-form input,
.demo-form select,
.demo-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.demo-form textarea {
    resize: vertical;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 3rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: var(--success-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.success-message h3 {
    font-size: 2rem;
    color: var(--slate-gray);
    margin-bottom: 1rem;
}

.success-message p {
    font-size: 1.125rem;
    color: var(--slate-gray);
}

/* Footer */
#footer {
    background-color: var(--slate-gray);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-column a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-cta {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .demo-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .metrics {
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons button {
        width: 100%;
    }

    .demo-form-container {
        padding: 1.5rem;
    }
}